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Explain Disadvantage of Optimal Page Replacement Algorithm
Optimal page replacement algorithm cannot be implemented in the general purpose operating system as it is impossible to calculate reliably how long it will be before a page is going to be used.
Polymorphism in C++ is the idea that a base class can be inherited by various classes. A base class pointer can point to its child class and a base class array can store dissimilar
Disadvantages of MPI Performance is restricted by communication network between the nodes It can be harder to debug Needs more programming changes to go from seri
What is the Role of Certifying Authority? A certificate authority is a body, that is either public or private, that seeks to fill the requirement for trusted third-party servic
What is pattern? A pattern is a proven solution to a general problem. Lots of patterns are used. There are patterns for analysis, architecture, design and execution. Patterns c
Suppose there are 2 copies of resource A, 3 copies of resource B, and 3 copies of resource C. Suppose further that process 1 holds one unit of resources B and C and is waiting for
Superscalar architecture was designed to increase the speed of the scalar processor. But it has been realized it's not easy to apply. Subsequent are a number of problems faced in t
What are the different layers of TCP/IP protocol stack? Layers in the TCP/IP protocol architecture are:- o Application Layer o Host-to-Host Transport Layer, o Net
When should you stop testing? It is quite complex to determine as many modern software applications are so complex and run in like an interdependent environment that complete t
Register Addressing mode - computer architecture: Register Addressing: Register addressing mode is same to direct addressing. Only difference in between is that the addre
A Choice is displayed in a compact form that needs you to pull it down to see the list of available choices and only one item may be selected from a choice. A List may be shown in
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